3D printing of high-performance micro-supercapacitors with patterned exfoliated graphene/carbon nanotube/silver nanowire electrodes

查看全文 作　　者：LIU [1]Lang;LU [1]JunYong;LONG [1]XinLin;ZHOU [1]Ren;LIU [1]YingQuan;WU [1]YiTing;YAN [1]KangWei

机构地区：[1]National Key Laboratory of Science and Technology on Vessel Integrated Power System,Naval University of Engineering,Wuhan 430033,China

出　　处：《Science China(Technological Sciences)》索引2021年第64卷第5期,共9页

基　　金：supported by the National Natural Science Foundation of China(Grant Nos.51925704,51877214,51607187,and 51907203);the Hubei Provincial Natural Science Foundation of China(Grant Nos.2019CFB371,and 2019CFB373);the Special Financial Aid to China Postdoctoral Science Foundation(Grant No.2019T120972)。 摘　　要：Micro-supercapacitors(MSCs)show great potential as on-chip energy storage devices for portable electronics.The major flaw of thin-film MSCs is their low energy density.To improve the energy density,thicker electrodes are required.However,the fabrication of MSCs with thick electrodes remains a challenge.In this work,a novel 3D printing method is employed to fabricate high-performance MSCs with interdigitated exfoliated graphene(EG)/carbon nanotube(CNT)/silver nanowire(Ag NW)electrodes.The nanowelding of Ag NW junction plays a critical role in the realization of 3D printing.To enhance the electrochemical performances of EG,phosphorus atoms are incorporated into the carbon framework with 1.7 at%.The areal capacitance of the 3D printed MSC is 21.6 mF cm^(-2)at a scan rate of 0.01 V s^(-1).The areal energy density of the MSC ranges from 0.5 to 2μWh cm^(-2)with a maximum power density of 2.5 mW cm^(-2). 关键词：micro-supercapacitor 3D printing silver nanowire exfoliated graphene micro-plasma-jet

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3D printing of high-performance micro-supercapacitors with patterned exfoliated graphene/carbon nanotube/silver nanowire electrodes

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